weepaul Posted April 6, 2016 Share Posted April 6, 2016 Go tback alot of gear thats been in storage for awhile. Plugged it all in, working O.K. ( some hum), so turn it off. Then, a strange couple of pops then a burning smell from the cab !!!!! Hooked up another head and it seems to work fine, but one of the speakers is now distorting . Any ideas ? Quote Link to comment Share on other sites More sharing options...
gelfin Posted April 7, 2016 Share Posted April 7, 2016 Sounds like have a fried voice coil in the driver thats distorting. Quote Link to comment Share on other sites More sharing options...
weepaul Posted April 7, 2016 Author Share Posted April 7, 2016 Sounds bad, big job ? Quote Link to comment Share on other sites More sharing options...
icastle Posted April 7, 2016 Share Posted April 7, 2016 Voice coil or crossover. If its the voicecoil the speaker will need reconing or replacing - reconing isn't something you can do cheaply or effectively at home, especially if you've not done it before. If its the crossover then you might be able to get it fixed easily, or do it yourself if you can handle a soldering iron. Something that might give you a clue is to remove the front speaker grille(s) and lay the cab on its back. Gently, push the cone(s) back using the palm of you hand. They should depress smoothly (no grating noises) and spring back to their original position when you release the pressure - if its blown then it will grate like sandpaper. If the cones feel ok then release one of the speakers (so you can get inside the cab) and look for burnt components on the crossover circuit board. hth Quote Link to comment Share on other sites More sharing options...
weepaul Posted April 8, 2016 Author Share Posted April 8, 2016 Thanks matey, I'll check it out. Quote Link to comment Share on other sites More sharing options...
weepaul Posted April 11, 2016 Author Share Posted April 11, 2016 Yep, one of the speakers was like sandpaper. Patched it up for the mean time, I used foam pieces to brace the speaker. The distortions gone and it all sounds smooth. Any danger doing this ? Quote Link to comment Share on other sites More sharing options...
Norris Posted April 12, 2016 Share Posted April 12, 2016 I'd be tempted to replace it at the earliest opportunity. It probably won't last very long Quote Link to comment Share on other sites More sharing options...
weepaul Posted April 12, 2016 Author Share Posted April 12, 2016 Yeah, looking to source a new speaker. I believe Trace used Celestion speakers, anyone know the model number ? Cheers, Paul Quote Link to comment Share on other sites More sharing options...
icastle Posted April 13, 2016 Share Posted April 13, 2016 If the voice coil has burned then you need to get it replaced - wedging bits of stuff in there to get round it isn't a reliable fix and there's a possibility of damaging your amp if the coil shorts out against the magnet. Quote Link to comment Share on other sites More sharing options...
Dad3353 Posted April 13, 2016 Share Posted April 13, 2016 Whatever made that speaker go duff could well do the same for any other speakers in, potentially, the same condition. I'd not count on the original, new, power handling specification to be a certainty, and treat the whole cab as doubtful until it's had a chance to prove itself. Be prepared for further 'surprises', perhaps..? Quote Link to comment Share on other sites More sharing options...
weepaul Posted April 13, 2016 Author Share Posted April 13, 2016 Yes mate, got in touch with Celestion about a suitable replacement. Quote Link to comment Share on other sites More sharing options...
weepaul Posted April 13, 2016 Author Share Posted April 13, 2016 Dad 3353, I think one channel in the stereo heads abit duff. One side- no problem,the other side caused the problem. Tried another amp, and no problems (touch wood) so far. Quote Link to comment Share on other sites More sharing options...
weepaul Posted April 14, 2016 Author Share Posted April 14, 2016 Checked the speaker again, pressing it in there is a slight scratchiness. Plugged in, it;s distorting lightly, you could get away with it at a gig. But, stuff like that annoys me and i don't want to run the risk of further damage to the other speakers. I assume over time it will get worse. Quote Link to comment Share on other sites More sharing options...
gelfin Posted April 14, 2016 Share Posted April 14, 2016 It will get worse and most likely cause a short which will take out your amp. Quote Link to comment Share on other sites More sharing options...
weepaul Posted May 17, 2016 Author Share Posted May 17, 2016 Speaker replaced and sounding sweet. If anyone else finds themself in a similar situation, this is a suitable replacement- Celestion [color=#1F497D][font=Arial, sans-serif][size=3]TF1018.[/size][/font][/color] Quote Link to comment Share on other sites More sharing options...
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